IC OFFLINE SWIT PROG OVP 8DIP

TOP258PN

Manufacturer Part NumberTOP258PN
DescriptionIC OFFLINE SWIT PROG OVP 8DIP
ManufacturerPower Integrations
SeriesTOPSwitch®-HX
TypeOff Line Switcher
TOP258PN datasheet
 


Specifications of TOP258PN

Output IsolationIsolatedFrequency Range119 ~ 145kHz
Voltage - Output700VPower (watts)77W
Operating Temperature-40°C ~ 150°CPackage / Case8-DIP (0.300", 7.62mm), 7 Leads
Output Voltage700 VInput / Supply Voltage (max)9 V
Input / Supply Voltage (min)- 0.3 VDuty Cycle (max)78 %
Switching Frequency132 KHzOperating Temperature Range- 40 C to + 150 C
Mounting StyleSMD/SMTMaximum Operating Temperature+ 150 C
Minimum Operating Temperature- 40 COutput Current6.88 A
Output Power48 WFor Use With596-1193 - KIT REF DESIGN TOP HX FOR TOP258
Lead Free Status / RoHS StatusLead free / RoHS CompliantOther names596-1189-5
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Typical Uses of MULTI-FUNCTION (M) Pin (cont.)
+
R
4 M
LS
DC
Input
Voltage
D
M
CONTROL
S
-
Figure 31. Line Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Latched Output Overvoltage Protection.
+
4 M
DC
40 k
Input
Voltage
D
M
CONTROL
C
6.2 V
S
-
Figure 33. Line Sensing for Undervoltage Only (Overvoltage Disabled).
+
DC
Input
Voltage
D
M
CONTROL
R
IL
S
-
Figure 35. Externally Set Current Limit (Not Normally Required – See M Pin
Operation Description).
www.powerint.com
V
= I
× R
+ V
(I
= I
)
UV
UV
LS
M
M
UV
V
= I
× R
+ V
(I
= I
)
OV
OV
LS
M
M
OV
For R
= 4 M
LS
V
= 102.8 VDC
UV
V
= 451 VDC
OV
DC
Sense Output Voltage
Input
Voltage
@ 100 VDC = 76%
DC
MAX
DC
@ 375 VDC = 41%
MAX
C
PI-4729-120307
Figure 32. Line Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
Hysteretic Output Overvoltage Protection.
V
= R
× I
+ V
(I
= I
)
UV
LS
UV
M
M
UV
For Values Shown
V
= 103.8 VDC
UV
R
LS
DC
Input
Voltage
PI-4731-120307
Figure 34. Line Sensing for Overvoltage Only (Undervoltage Disabled). Maximum
Duty Cycle Reduced at Low Line and Further Reduction with
Increasing Line Voltage.
+
For R
= 12 k
IL
I
= 61%
LIMIT
For R
= 19 k
IL
I
= 37%
LIMIT
DC
See Figures 55b for other
Input
resistor values (R
) to
Voltage
IL
select different I
values.
LIMIT
C
PI-4733-021308
Figure 36. Current Limit Reduction with Line Voltage (Not Normally Required –
See M Pin Operation Description).
TOP252-262
V
= I
× R
UV
UV
V
= I
× R
+
OV
OV
For R
= 4 M
LS
V
= 102.8 VDC
UV
V
= 451 VDC
OV
Sense Output Voltage
R
4 M
LS
R
OVP
VR
OVP
DC
@ 100 VDC = 76%
D
M
MAX
DC
@ 375 VDC = 41%
MAX
CONTROL
C
S
-
+
V
= I
× R
OV
OV
4 M
For Values Shown
V
= 457.2 VDC
OV
R
LS
55 k
1N4148
D
M
CONTROL
C
S
-
I
=
100% @ 100 VDC
LIMIT
53% @ 300 VDC
I
=
LIMIT
R
2.5 M
LS
D
M
CONTROL
R
6 k
IL
C
S
-
+ V
(I
= I
)
LS
M
M
UV
+ V
(I
= I
)
LS
M
M
OV
R
>3k
OVP
PI-4730-120307
+ V
(I
= I
)
LS
M
M
OV
PI-4732-120307
PI-4734-092107
19
Rev. F 01/09